GREAT TRACK! 2 (TWO) pieces of 1/8 turn, 15 inch OUTSIDE Curve Track. They can be used to make a typical 9" & 12" curve arrangement into a 6-lane inside, outside & middle setup. They are also especially useful when making a two or four lane, slalum course or other interesting Road Coruses like Watkins Glen or Sinoma. 4 Curve-Pieces make 180 degrees or 1/2, of a curve. They Can be grouped together to make up a wide variety of layouts! This CUSTOM MADE track is Beautiful, & will match up to just about any Mattel or TYCO track made since 1975 or so.